Solid-state track recorder dosimetry device to measure absolute

Details Solid-state track recorder dosimetry device to measure absolute Solid-state track recorder dosimetry device to measure absolute

1987-07-13

1989-10-17

Hannaher, Constantine

Radiant energy

Invisible radiation responsive nonelectric signalling

250267, 2504821, G01T 500, G01T 102

Patent

active

048749516

ABSTRACT:
A solid state track recording type dosimeter is disclosed to measure the time dependence of the absolute fission rates of nuclides or neutron fluence over a period of time. In a primary species an inner recording drum is rotatably contained within an exterior housing drum that defines a series of collimating slit apertures overlying windows defined in the stationary drum through which radiation can enter. Film type solid state track recorders are positioned circumferentially about the surface of the internal recording drum to record such radiation or its secondary products during relative rotation of the two elements. In another species both the recording element and the aperture element assume the configuration of adjacent disks. Based on slit size of apertures and relative rotational velocity of the inner drum, radiation parameters within a test area may be measured as a function of time and spectra deduced therefrom.

REFERENCES:
patent: 2714170 (1955-07-01), Bloch
patent: 3182219 (1965-05-01), Thomas
patent: 3209148 (1965-09-01), Pavry et al.
patent: 3493749 (1970-02-01), Olson
patent: 3688114 (1972-08-01), Youmans
patent: 3932752 (1976-01-01), Aday, Jr. et al.
patent: 4228350 (1980-10-01), Paap et al.

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